Valorization of Moroccan Pistacia lentiscus L. Leaves: Phytochemical and In Vitro Antioxidant Activity Evaluation Compared to Different Altitudes

Table 1

Correlation between the analyzed biochemical and antioxidant activity. DPPH: 1,1-diphenyl-2-picrylhydrazyl.

		Polyphenols	Flavonoids	DPPH	Total antioxidant	Tannins	Ascorbic acid
Polyphenols	Pearson correlation	1	0.813	0.625	0.534	0.254	−0.566
	Sig. (2-tailed)		0.001	0.030	0.074	0.425	0.055
Flavonoids	Pearson correlation	0.813	1	0.415	0.690	0.248	−0.484
	Sig. (2-tailed)	0.001		0.179	0.013	0.438	0.111
DPPH	Pearson correlation	0.625	0.415	1	0.432	−0.310	−0.880
	Sig. (2-tailed)	0.030	0.179		0.161	0.326	0.000
Total antioxidant	Pearson correlation	0.534	0.690	0.432	1	−0.262	−0.703
	Sig. (2-tailed)	0.074	0.013	0.161		0.411	0.011
Tannins	Pearson correlation	0.254	0.248	−0.310	−0.262	1	0.555
	Sig. (2-tailed)	0.425	0.438	0.326	0.411		0.061
Ascorbic acid	Pearson correlation	−0.566	−0.484	−0.880	−0.703	0.555	1
	Sig. (2-tailed)	0.055	0.111	0.000	0.011	0.061

Correlation is significant at the 0.01 level (2-tailed). Correlation is significant at the 0.05 level (2-tailed).